<template>
  <div class="app-container">
    <el-form :model="queryParams" ref="queryForm" size="small" :inline="true" v-show="showSearch" label-width="120px">
      <el-form-item label="省 / 市 / 区" prop="region">
        <el-cascader filterable clearable ref="areaPicker" v-model="queryParams.region" :props="areaProps"
          :show-all-levels="true" @change="handleChangeQuery($event)"></el-cascader>
      </el-form-item>

      <el-form-item label="商业区名称" prop="businessCircleName">
        <el-input v-model="queryParams.businessCircleName" placeholder="请输入商业区名称" clearable
          @keyup.enter.native="handleQuery" />
      </el-form-item>

      <el-form-item>
        <el-button type="primary" icon="el-icon-search" size="mini" @click="handleQuery">搜索</el-button>
        <el-button icon="el-icon-refresh" size="mini" @click="resetQuery">重置</el-button>
      </el-form-item>
    </el-form>

    <el-row :gutter="10" class="mb8">
      <el-col :span="1.5">
        <el-button type="primary" plain icon="el-icon-plus" size="mini" @click="handleAdd">新增
        </el-button>
      </el-col>
      <el-col :span="1.5">
        <el-button type="success" plain icon="el-icon-edit" size="mini" :disabled="single" @click="handleUpdate">修改
        </el-button>
      </el-col>
      <el-col :span="1.5">
        <el-button type="danger" plain icon="el-icon-delete" size="mini" :disabled="multiple" @click="handleDelete">删除
        </el-button>
      </el-col>
    </el-row>

    <el-table v-loading="loading" :data="businessCircleList" @selection-change="handleSelectionChange">
      <el-table-column type="selection" width="55" align="center" />
      <el-table-column label="省 / 市 / 区" align="center" prop="area">
        <template slot-scope="scope">
          <span>{{ scope.row.provinceName }} / {{ scope.row.cityName }} / {{ scope.row.areaName }}</span>
        </template>
      </el-table-column>
      <el-table-column label="商业区名称" align="center" prop="businessCircleName" />
      <el-table-column label="排序" align="center" prop="sort" />
      <el-table-column label="备注" align="center" prop="remark" />
      <el-table-column label="操作" align="center" class-name="small-padding fixed-width">
        <template slot-scope="scope">
          <el-button size="mini" type="text" icon="el-icon-edit" @click="handleUpdate(scope.row)">修改
          </el-button>
          <el-button size="mini" type="text" icon="el-icon-delete" @click="handleDelete(scope.row)">删除
          </el-button>
        </template>
      </el-table-column>
    </el-table>

    <pagination v-show="total > 0" :total="total" :page.sync="queryParams.pageNum" :limit.sync="queryParams.pageSize"
      @pagination="getList" />

    <!-- 添加或修改商业区对话框 -->
    <el-dialog :title="title" :visible.sync="open" width="500px" append-to-body :close-on-click-modal="false">
      <el-form ref="form" :model="form" :rules="rules" label-width="100px">
        <!-- <el-form-item label="省 / 市 / 区" prop="areaArr">
          <el-cascader filterable placeholder="支持搜索" ref="areaPicker" style="width: 100%;" v-model="form.areaArr"
            :options="areaOptions" @change="handleChangeArea" />
        </el-form-item> -->
        <el-form-item label="省 / 市 / 区" prop="region">
          <el-cascader filterable ref="areaPicker" v-model="form.region" :props="areaProps" :show-all-levels="true"
            @change="handleChangeArea"></el-cascader>
        </el-form-item>
        <el-form-item label="商业区名称" prop="businessCircleName">
          <el-input v-model="form.businessCircleName" placeholder="请输入商业区名称" />
        </el-form-item>

        <el-form-item label="经度" prop="longitude">
          <el-input v-model="form.longitude" placeholder="请输入经度" disabled />
        </el-form-item>

        <el-form-item label="纬度" prop="latitude">
          <el-input v-model="form.latitude" placeholder="请输入纬度" disabled />
        </el-form-item>

        <el-form-item label="坐标拾取器">
          <el-button icon="el-icon-place" @click="showLDialog">坐标拾取器</el-button>
        </el-form-item>

        <el-form-item label="排序" prop="sort">
          <el-input-number v-model="form.sort" placeholder="请输入排序" controls-position="right" :min="0" :step="10" />
        </el-form-item>

        <el-form-item label="备注" prop="remark">
          <el-input v-model="form.remark" type="textarea" placeholder="请输入备注" />
        </el-form-item>
      </el-form>
      <div slot="footer" class="dialog-footer">
        <el-button type="primary" @click="submitForm">确 定</el-button>
        <el-button @click="cancel">取 消</el-button>
      </div>
    </el-dialog>
    <!-- 地图位置拾取器 -->
    <el-dialog :visible.sync="locationDialog" title="选择经纬度" width="1200px" :destroy-on-close="true">
      <location :city="cityName" @selectLocation="selectLocation"></location>
    </el-dialog>
  </div>
</template>

<script>
import {
  listBusinessCircle,
  getBusinessCircle,
  delBusinessCircle,
  addBusinessCircle,
  updateBusinessCircle
} from "@/api/rent/business_circle";
import { listArea } from "@/api/system/config";

import { level3 } from '@/api/rent/area'
import location from "@/components/location/location";

export default {
  name: "BusinessCircle",
  components: {
    location
  },
  data() {
    return {
      cityName: '',
      locationDialog: false,//经纬度容器
      areaOptions: [],
      queryPath: [],
      // 遮罩层
      loading: true,
      // 选中数组
      ids: [],
      // 非单个禁用
      single: true,
      // 非多个禁用
      multiple: true,
      // 显示搜索条件
      showSearch: true,
      // 总条数
      total: 0,
      // 商业区表格数据
      businessCircleList: [],
      // 弹出层标题
      title: "",
      // 是否显示弹出层
      open: false,
      // 查询参数
      queryParams: {
        pageNum: 1,
        pageSize: 10,
        businessCircleName: null,
        areaId: null,
      },
      // 表单参数
      form: {
        region: []
      },
      // 表单校验
      rules: {
        region: [
          { required: true, message: "省 / 市 / 区 不能为空", trigger: "blur" }
        ],
        businessCircleName: [
          { required: true, message: "商圈名不能为空", trigger: "blur" }
        ],
        longitude: [
          { required: true, message: "经度不能为空", trigger: "blur" }
        ],
        latitude: [
          { required: true, message: "纬度不能为空", trigger: "blur" }
        ],
        sort: [
          { required: true, message: "排序不能为空", trigger: "blur" }
        ],
      },
      areaProps: {
        lazy: true,
        // emitPath: false,
        lazyLoad(node, resolve) {
          listArea({ level: node.level + 1, parentId: node.value }).then(
            (res) => {
              const areas = res.data.map((value, i) => ({
                value: value.id,
                label: value.name,
                leaf: node.level >= 2,
              }));
              resolve(areas);
            }
          );
        },
      },
    };
  },
  created() {
    this.getList();
    // this.getAreaOptions();
  },
  methods: {
    showLDialog() {
      this.locationDialog = true;
    },
    //坐标拾取器回调方法
    selectLocation(e) {
      this.form.longitude = e.lng
      this.form.latitude = e.lat
      this.locationDialog = false;
    },
    // getAreaOptions() {
    //   level3().then(res => {
    //     this.areaOptions = res.data.data;
    //   })
    // },
    handleChangeQuery(data) {
      // this.queryParams.provinceId = data[data.length - 3] ? data[data.length - 3] + '0000' : undefined
      // this.queryParams.cityId = data[data.length - 2] ? data[data.length - 2] + '00' : undefined
      // this.queryParams.areaId = data[data.length - 1]

      this.queryParams.provinceId = data[data.length - 3]
      this.queryParams.cityId = data[data.length - 2]
      this.queryParams.areaId = data[data.length - 1]
    },
    handleChangeArea(val) {
      const checkedNode = this.$refs['areaPicker'].panel.getNodeByValue(val)
      const ids = checkedNode.path;
      const labels = checkedNode.pathLabels;
      this.form.provinceId = ids[0];
      this.form.cityId = ids[1];
      this.cityName = labels[1]
      console.log(this.cityName)
      this.form.areaId = ids[2];
      this.form.provinceName = labels[0];
      this.form.cityName = labels[1];
      this.form.areaName = labels[2];
    },
    /** 查询商业区列表 */
    getList() {
      this.loading = true;
      listBusinessCircle(this.queryParams).then(response => {
        const data = response
        this.businessCircleList = data.rows;
        this.total = data.total;
        this.loading = false;
      });
    },
    // 取消按钮
    cancel() {
      this.open = false;
      this.reset();
    },
    // 表单重置
    reset() {
      this.form = {
        businessCircleId: null,
        businessCircleName: null,
        longitude: null,
        latitude: null,
        sort: null,
        businessCircleState: null,
        provinceId: null,
        cityId: null,
        provinceName: null,
        cityName: null,
        areaId: null,
        areaName: null,
        remark: null,
        areaArr: []
      };
      this.resetForm("form");
    },
    /** 搜索按钮操作 */
    handleQuery() {
      this.queryParams.pageNum = 1;
      this.getList();
    },
    /** 重置按钮操作 */
    resetQuery() {
      this.queryPath = [];
      this.queryParams.areaId = '';
      this.resetForm("queryForm");
      this.handleQuery();
    },
    // 多选框选中数据
    handleSelectionChange(selection) {
      this.ids = selection.map(item => item.businessCircleId)
      this.single = selection.length !== 1
      this.multiple = !selection.length
    },
    /** 新增按钮操作 */
    handleAdd() {
      this.reset();
      this.open = true;
      this.title = "添加商业区";
    },
    /** 修改按钮操作 */
    handleUpdate(row) {
      this.reset();
      const businessCircleId = row.businessCircleId || this.ids
      getBusinessCircle(businessCircleId).then(response => {
        console.log('response', response);
        const data = response.data
        this.form = data;
        this.form.region = [];
        this.form.region.push(data.provinceId + '')
        this.form.region.push(data.cityId + '')
        this.form.region.push(data.areaId + '')
        this.open = true;
        this.title = "修改商业区";
      });
    },
    /** 提交按钮 */
    submitForm() {
      this.$refs["form"].validate(valid => {
        if (valid) {
          if (this.form.businessCircleId != null) {
            updateBusinessCircle(this.form).then(response => {
              this.$modal.msgSuccess("修改成功");
              this.open = false;
              this.getList();
            });
          } else {
            addBusinessCircle(this.form).then(response => {
              if (response.code === 200) {
                this.$modal.msgSuccess("新增成功");
              } else {
                this.$modal.msgError(response.msg);
              }

              this.open = false;
              this.getList();
            });
          }
        }
      });
    },
    /** 删除按钮操作 */
    handleDelete(row) {
      const businessCircleIds = row.businessCircleId || this.ids;
      this.$modal.confirm('是否确认删除该数据项？').then(function () {
        return delBusinessCircle(businessCircleIds);
      }).then(() => {
        this.getList();
        this.$modal.msgSuccess("删除成功");
      }).catch(() => {
      });
    }
  }
};
</script>
